5-Methylisoxazole-4-Carboxylic Acidum CAS 42831-50-5 Leflunomide Munditia Intermedia >99.0% (HPLC)

Description:

Nomen chemica: 5-Methylisoxazole-4-Carboxylic Acid

Synonyma: 5-Methyl-4-Isoxazolecarboxylic Acidum

CAS: 42831-50-5

Puritas: >99.0% (HPLC)

White to Pale Yellow Crystalline pulveris, Odorless

Medium Leflunomide (CAS: 75706-12-6)

Contactus: Dr

Mobile/Wechat/Whatsapp: +86-15026746401

E-Mail: alvin@ruifuchem.com

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Product Detail

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Descriptio:

Shanghai Ruifu Chemical Co., Ltd. est primarius fabrica 5-Methylisoxazoli-4-Acidi carboxylici (CAS: 42831-50-5) cum qualitate alta.Ruifu partus terrarum, pretium auctorum, servitium praestans, parvae quantitatis et quantitatis in promptu, potest praebere.Purchase 5-Methylisoxazole-4-Carboxylic AcidumPlease contact: alvin@ruifuchem.com

Chemical Properties:

Nomen chemicum	5-Methylisoxazole-4-Carboxylic Acid
Synonyma	5-Methyl-4-Isoxazolecarboxylic Acidum
immunditia	Impuritas D/ Leflunomide BP Impurity D
Stock Status	In Stock, Commercial Scale
CAS Number	42831-50-5
Formulae hypotheticae	C5H5NO3
M. Pondus	127.10 g/mol
Liquescens punctum	145.0 ad 149.0℃(lit.)
Density	1.348±0.06 g/cm3
Repono Nativ.	Frigus & siccum (2~8℃)
COA & MSDS	Praesto
Brand	Ruifu Chemical

Specifications:

Items	Signa inspectionis	Proventus
Aspectus	White to Pale Yellow Crystalline pulveris, Odorless	Obsequitur
Liquescens punctum	145.0 ad 149.0℃	147.8~ 148.5℃
Damnum in Siccatio	≤0.50%	0.13%
Residere in Ignition	≤0.10%	0.04%
Metalla gravia (Pb)	≤0.002%	<0.002%
III-Methyl Isomeric Compositum	≤0.20%	<0.20%
Puritas / Analysis Methodus	>99.0% (HPLC)	99.74%
Infrared Imaginis	Conformat ut Structure	Obsequitur
1 H NMR Spectrum	Conformat ut Structure	Obsequitur
conclusio	Productum probatum est & obsequitur datis specificationibus
usus	Pharmaceutical Medium Leflunomide (CAS: 75706-12-6)

Sarcina / at /naviportans:

Sarcina:Utrem, aluminium foil, sacculum, 25kg/cardboard Drum, vel secundum exigentiam emptoris.
Repono Condition:Condite in arcte clauso vase.Condite in loco frigido, sicco (2~8℃) et cellario bene ventilato ab substantiis incompossibilibus.A luce et humore protege.
Naviportans:Libera ad mundum ab aere, per FedEx / DHL Express.Ieiunium et certas traditiones provide.

commoda:

Satis capacitas: sufficientes facilities et technici

Professional Service: One stop acquireing service

Altera Package: Custom sarcina ac titulus praesto

Ieiunium Delivery: Si intra stirpem, tres dies partus praestatur

Supple firmum: Esse rationabile stirpe

Technical Support: Technology solution praesto

Custom Synthesis Service: Range from P. to kilos

High Quality: Constitutus ratio completa qualitas certitudinis

FAQ:

Quam mercari?Quaeso contactumDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com

15 Years Experience?Plus quam XV annos experientiae habemus in fabricando et exportando amplis intermediis pharmaceuticis vel alchimicis pharmaceuticis amplis.

Mercatus principalis?Vendere mercatum domesticum, Americam septentrionalem, Europam, Indiam, Coream, Iaponicam, Australiam etc.

Commodi?Superior qualitas, parabilis pretium, officia professionalia et subsidia technica, ieiunium partus.

Qualitasfides?Qualitas strictioris temperantiae ratio.Pro instrumento analysi professionali includuntur NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Claritas, Solubilitas, Microbialis limes test, etc.

Exempla?Pleraque producta praebent exempla gratuita pro qualitate aestimationis, sumptus naviculas a clientibus solvendos.

Factory Audit?Factory audit gratissimum.Quaeso ante constitutum.

MOQ?Nec MOQ.Parvus ordo placet.

Tempus adferendi? Si intus prosapia, tres dies partus praestatur.

Transportatio?Per Express (FedEx, DHL), ab Air, per Mare.

Documenta?Post servitium venditionis: COA, MOA, ROS, MSDS, etc. praeberi possunt.

Consuetudo Synthesis?Consuetudo synthesis officia praebere potest ad optimas investigationes tuas necessitates aptandas.

Pensio conditio?Proforma cautionis primum post confirmationem ordinis mittetur, informationes nostrae ripae inclusas.Payment by T/T (Telex Transfer), PayPal, Western Union, etc.

42831-50-5 - Periculum et Salus;

Periculum Codes
R36/37/38 - Irritando ad oculos, systema respiratorium et cutem.
R37/38 - Irritando ad systema respiratorium et cutem.
R36 - irritans ad oculos
R10 - Flammabiles
Salus Descriptio
S22 — Pulverem ne respirare.
S26 - In contactu cum oculis, statim cum aqua multa ablue et consilium medicinae quaeras.
S36/37/39 - Indumentum tutelae idoneum, caestus et oculi/facies tutelam gerunt.
S36 - gere idoneos tutelae vestis.
S16 - Ex ignitionis fontibus abstinete.
WGK Germania 3
HS CIC 2917399090
Aleam Class INRITANT

Applicatio:

5-Methylisoxazole-4-Carboxylic Acidum (CAS: 42831-50-5) medium est ad synthesin Leflunomide (CAS: 75706-12-6).Leflunomide est quaedam medicamenta isoxazola immunosuppressiva cum actione anti-proliferativa, moderna pharmacologia hunc productum antipyreticum, analgesicum et anti-inflammatorem medicinae indicat.Productum hoc celeriter converti potest ad metabolitas activas et partes agunt ab hepate et cytoplasmo et microsomes, eius;mechanismus principalis est in synthesi DNA, inhibens clavem enzyme-DHODH (DHODH) activitatem, ut nucleotides intra lymphocyte B extenuatae sint, biosynthesin DNA et RNA terminat, cellulae periodum ingredi non possunt, ac tandem non possunt proliferate, ex anti-rheumaticis effectibus, adultorum rheumatoidei arthritis activorum curationi convenit, spondylitis ankylosing, lento ossis interitus, signa et signa sublevare.Praeterea leflunomide etiam activitatem kinasim tyrosinam inhibere potest, quo inhibet multiplicationem cellae T, B cellae et cellularum non-immunerum, sed etiam per biosynthesim inhibitionis cyclooxygenasis-2 (COX2), synthesim prostaglandin inhibere et anti- niti. effectus inflammationes inhibent et cellulas mali et basophilas histamine emittunt.Cum hoc productum in organo traducere aegros adhibetur, dose temperatio difficilis est, maxime adhibita arthritis rheumatoideis aliisque morbis autoimmune tractantibus.